Vivian,
Thank you very much for all information. Very interesting!
Best regards,
Prestes
2010/2/1 Vivian Meazza <vivian.mea...@lineone.net>
> Hi All
>
>
>
> Lauri Peltonen (aka Zan) has produced a stencil shader which can be used to
> simulate the light cone of Taxi or Landing lights, or Floodlights for
> airport aprons. The possibilities are endless. I have put together a demo
> using the Buccaneer – some screenshots are here:
>
>
>
> ftp://ftp.abbeytheatre2.org.uk/fgfs/Screen-shots/lightcone11.jpg
>
>
>
> ftp://ftp.abbeytheatre2.org.uk/fgfs/Screen-shots/lightcone12.jpg
>
>
>
> That’s the good news – unfortunately, I cheated. There’s some problem
> around the near/far camera changeover:
>
>
>
> ftp://ftp.abbeytheatre2.org.uk/fgfs/Screen-shots/lightcone10.jpg
>
>
>
> And as you can see, the light effect works quite well on terrain, but it
> floods other models with white. It also has hard edges, and no attenuation.
> I have applied a texture which helps a bit, but it is far from a realistic
> light. These aren’t problems that look as if they will be solved short-term,
> if at all. Nevertheless, I think it’s worth pursuing at least until we have
> light shaders available, so I have uploaded the shaders etc. to cvs-data. To
> complete the process, minor patches are required to FG and SG – here:
>
>
>
> ftp://ftp.abbeytheatre2.org.uk/fgfs/Light/
>
>
>
> For those who want it an updated Windows binary including the stencil
> shader is at:
>
>
>
> ftp://ftp.abbeytheatre2.org.uk/fgfs/executable/
>
>
>
> I don’t think this code is sufficiently mature for inclusion in the
> upcoming release, but once that is complete, perhaps someone would apply the
> patches to cvs.
>
>
>
> Vivian
>
>
>
>
>
>
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